i2 0f t$e ^erfjamtal tiDpatne 



EXPER. v. 



WE took one part of Oyl of 

 Vitriol ? and fhakiog it into 

 twelve parts of water we made a 

 mixture * that at firft was fenfibly 

 warm 3 then fufFering this to cool, 

 we put a fufficient quantity of it into 

 a wide mouth'd glafs^ndthen we put 

 a good Thermofcope Hermetically 

 feaPd 5 above whofe Ball the com- 

 pounded liquor reached a pretty way* 

 After fome time had been allowed 

 that the liquor in the Thermometer 

 might acquire the temper of the am- 

 bient 5 we put in by degrees as much 

 volatile Salt of Sal Armoniac as 

 would ferve tofatiate the acid fpirits 

 of the mixture : for, though thefe 

 two made a notable conflict with tu- 

 mult, noife, and froth, yet 'twas but 

 a cold ebullition (if I may fo ftile it 3 ) 

 for the fpirit in the Thermofcope 

 defcended about an inch beneath the 

 mark it refted at, when the feeming 

 cffcrvefcence began. EX* 



